On Thu, Jun 6, 2013 at 2:16 AM, Mike Christie <micha...@cs.wisc.edu> wrote: > On 06/05/2013 03:36 PM, Or Gerlitz wrote: >> Mike Christie <micha...@cs.wisc.edu> wrote: >> >> Mike, >> >> Thanks for clarifying things out here, >> >>> calls the transport template ep_connect/poll/disconnect and send_pdu calls >>> likes is >>> done for normal session login. That code then will do discovery through that >>> connection. To use this the driver only needs to set CAP_TEXT_NEGO" >> >> sounds very promising, but for >> >>> and then also have code to support discovery commands. >> >> I need some clarifications, if user space does send pdu and we have >> mechanisms in place >> to delivered a pdu received by the kernel to user space. Then from the >> iser kernel transport view point running a discovery session is an >> iscsi/iser session without SCSI commands just login, some text PDUs >> and logout. To be precise >> >> 1. we don't want to offload the sendtargets based discovery but rather >> to conduct it over an iser IB/RoCE connection and not TCP connection > > > I am not sure what you are talking about for offload. Are you calling > what the iser kernel module does offload? If so why is that? Just > wondering, because everyone has different definitions. Is it because of > zero copy? > > I was thinking it just creates some rdma connection in the ep_connect > callbacks then we throw pdus over it to create the session, and I was > not considering this offload. You do not want that right? Why is that?
Yes, create IB/RoCE connection and throwing the sendtargets PDUs over it > If you do not want to do that then do you want to do this in the kernel or > userspace? We can do in either of them, but I would love to just re-use the kernel code. -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To unsubscribe from this group and stop receiving emails from it, send an email to open-iscsi+unsubscr...@googlegroups.com. To post to this group, send email to open-iscsi@googlegroups.com. Visit this group at http://groups.google.com/group/open-iscsi?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
